34200131321 has 4 divisors (see below), whose sum is σ = 34279115892. Its totient is φ = 34121146752.

The previous prime is 34200131311. The next prime is 34200131323. The reversal of 34200131321 is 12313100243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12313100243 = 11087 ⋅1110589.

It can be written as a sum of positive squares in 2 ways, for example, as 4139506921 + 30060624400 = 64339^2 + 173380^2 .

It is a cyclic number.

It is not a de Polignac number, because 34200131321 - 2⁶ = 34200131257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34200131293 and 34200131302.

It is not an unprimeable number, because it can be changed into a prime (34200131323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39491636 + ... + 39492501.

It is an arithmetic number, because the mean of its divisors is an integer number (8569778973).

Almost surely, 2^34200131321 is an apocalyptic number.

It is an amenable number.

34200131321 is a deficient number, since it is larger than the sum of its proper divisors (78984571).

34200131321 is an equidigital number, since it uses as much as digits as its factorization.

34200131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78984570.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 34200131321 its reverse (12313100243), we get a palindrome (46513231564).

The spelling of 34200131321 in words is "thirty-four billion, two hundred million, one hundred thirty-one thousand, three hundred twenty-one".